I remember hearing a funny story from one particular video card manufacturer about their decision to go with a particular colour of PCB. As you might have noticed, just about every company has started to pick out their own distinctive shade of colour for the PCB that holds their motherboards or video cards together. In this case, the manufacturer was lamenting over the decision to move to an all red PCB design. The problem was they were concerned with how the workers in the manufacturing plant would deal with looking at red all day long, for weeks or months on end. According to a study they had seen, looking at red PCB for such a long period of time was liable to make some of the workers go insane. Seriously.

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